MP279 Trailer Cop Universal Coupling Lock. Universal coupling lock trailer copsuitable for most standard 50mm couplingsMP279 Trailer Cop Universal Coupling LockUniversal coupling lock trailer cop suitable for most standard 50mm couplingsLock fits into coupling blocking access and prevents tow ~away theftExpands in couplingHigh quality constructionNon ~corrosive bodySupplied with 2 keysInstructionsLift coupling handle to open position, insert lock and push in until handle can be returned to closed position. Note : slot on lock should be to either left or right side.Remove barrel lock by turning key clockwise 90 degrees. Insert Allen Key provided, turn clockwise to expand lock inside coupling. Tighten Securely.Replace barrel lock, remove key, turn 90 degrees anti ~ clockwise
